From 052118a722f056424efa5cb4c6f9c86192427989 Mon Sep 17 00:00:00 2001
From: Tim Paine <3105306+timkpaine@users.noreply.github.com>
Date: Thu, 3 Oct 2024 15:50:05 -0400
Subject: [PATCH] Allow for extra arguments to hatchling build

---
 backend/src/hatchling/cli/__init__.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/backend/src/hatchling/cli/__init__.py b/backend/src/hatchling/cli/__init__.py
index 6d2a22b99..f56a5fa27 100644
--- a/backend/src/hatchling/cli/__init__.py
+++ b/backend/src/hatchling/cli/__init__.py
@@ -17,7 +17,18 @@ def hatchling() -> int:
     metadata_command(subparsers, defaults)
     version_command(subparsers, defaults)
 
-    kwargs = vars(parser.parse_args())
+    # Parse known arguments
+    kwargs, extras = parser.parse_known_args()
+    
+    # Extras can exist to be detected in custom hooks and plugins,
+    # but they must be after a '--' separator
+    if extras and extras[0] != "--":
+        parser.print_help()
+        return 1
+
+    # Wrap the parsed arguments in a dictionary
+    kwargs = vars(kwargs)
+
     try:
         command = kwargs.pop('func')
     except KeyError: